This 20oz sausage caulking gun features a robust aluminum alloy handle and a high 12:1 thrust ratio, ensuring efficient application. Designed for high-pressure tasks, it includes multiple nozzles and plungers for versatile use, making it ideal for professional caulking projects. • 12:1 thrust ratio delivers powerful force, enabling efficient application of caulk even in high-pressure scenarios. • Aluminum alloy handle provides durability and a lightweight feel, ensuring long-lasting use and easy maneuverability. • 600ml capacity accommodates large volumes, reducing the need for frequent refills during extensive projects. • Barrel thickness of 1.32-1.5mm adds to the gun's robustness, supporting high-pressure applications without deformation. • Trigger mechanism allows for smooth operation, providing better control and reducing hand fatigue during use. • Includes three standard nozzles, offering versatility for different caulking tasks and precise application. • Equipped with two plungers to ensure consistent flow and prevent clogging, enhancing user efficiency. • Designed for professional use, this caulking gun is ideal for both contractors and DIY enthusiasts, ensuring reliable performance.